Patents Assigned to Cowan Plastic Products Corporation
  • Exhibiting device
    Patent number: 4128955
    Abstract: An exhibiting device formed from a one-piece plastic frame member recessed to receive a separate interchangeable insert member to be locked in the frame by suitable flexing of the insert member. Exhibiting may be had of small articles of jewelry, prices or other indicia on the insert member.
    Type: Grant
    Filed: April 22, 1977
    Date of Patent: December 12, 1978
    Assignee: Cowan Plastic Products Corporation
    Inventors: Michael R. Marra, Joseph Del Deo